生物分析方法的开发和验证,以支持disitamab vedotin临床研究
Baiyang Wu1, Qiaoning Li2, Ling Wang2
1Department of Pharmacology, Binzhou Medical University, Yantai, 264003, Shandong, China.
Bioanalysis
|March 26, 2024
概括
迪西他马布维多丁 (RC48) 是一种新的抗HER2抗体-药物联合体. 生物分析方法被验证以测量其药理动力学,确保安全的临床使用.
科学领域:
- 药理学 药理学是指药理学的学科.
- 生物化学 生物化学
- 在瘤学瘤学.
背景情况:
- 迪西他马布维多丁 (RC48) 是中国首个获得批准的抗体-药物联合体.
- 它准HER2,这是一种涉及各种癌症的蛋白质.
- 描述其药理动力学 (PK) 概况对于临床应用至关重要.
研究的目的:
- 建立和验证生物分析方法来定量disitamab vedotin及其成分在人体血清中的数量.
- 支持临床试验中的药理动力学评估.
- 确保遵守监管指南 (M10).
主要方法:
- 电化学发光 (ECL) 测试的开发,用于总和合抗体的量化.
- 使用液体染色学-双重质谱法 (LC-MS/MS) 进行自由有效载荷 (MMAE) 测量.
- 方法根据M10指南对特异性,敏感性和准确性的验证.
主要成果:
- 经过验证的ECL方法显示,对总抗体和结合抗体的特异性和敏感性很高.
- 验证的LC-MS/MS方法提供了自由有效载荷的敏感量化,MMAE.
- 已确定的定量范围是:19.5311250.000 ng/ml (总的 Ab),39.0635000.000 ng/ml (结合的 Ab),以及0.0410.0 ng/ml (MMAE).这些数量范围包括:
结论:
- 经过验证的生物分析方法适用于在临床环境中描述disitamab vedotin的PK.
- 这些方法可提供总抗体,合抗体和自由有效载荷的可靠量化.
- 已建立的方法将有助于临床开发和治疗监测disitamab vedotin.
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